Canon 15x50 IS All Weather specs and field of view
Fifteen times magnification with a 50 mm objective gives a 237 ft (at 1,000 yd) field, 4.5 degrees wide. Canon lists it as water resistant and usable in heavy rain.
- Field of view
- 237 ftat 1,000 yd
- Eye relief
- 15 mm
- Close focus
- 19.7 ft
- Weight
- 41.6 oz
- Exit pupil
- 3.3 mmcalculated
Why pick it
- Image stabilized
Who the 15x50 IS All Weather suits
The 3.3 mm calculated exit pupil and 27.4 calculated twilight factor suit distant subjects such as ships, wildlife across a valley and the Moon, with 15 mm of eye relief for glasses.
At 41.6 oz and with a 19.7 ft close focus, it is a heavy, long-range tool that gives up nearby subjects and a wide view.
15x50 IS All Weather aside, the most popular models of all sizes are in our best binoculars comparison.
15x50 IS All Weather specifications
15x50 IS All Weather figures as Canon prints them; rows marked * are calculated from the 15x50 size.
| Magnification | 15x |
|---|---|
| Objective lens | 50 mm |
| Prism type | Porro |
| Field of view | 237 ft at 1,000 yd (79 m at 1,000 m) |
| Angular field of view | 4.5° |
| Apparent field of view | 61° |
| Eye relief | 15 mm |
| Close focus | 19.7 ft (6 m) |
| Weight | 41.6 oz (1,180 g) |
| Length | 7.6 in (193 mm) |
| Width | 6 in (152 mm) |
| Waterproofing | Water Resistant (Usable in heavy rain) |
| Image stabilization | Yes |
| Exit pupil | 3.3 mm * |
| Twilight factor | 27.4 * |
| Relative brightness | 11.1 * |
* Calculated from the size, not printed by the maker.
15x50 IS All Weather and its nearest rivals
15x50 IS All Weather next to the 15x50 models closest to it in maker list price, with the best figure in each column in bold.
| Model | Field of view | Eye relief | Close focus | Weight | Exit pupil | Maker list price | Amazon |
|---|---|---|---|---|---|---|---|
| Canon 15x50 IS All Weather | 237 ft | 15 mm | 19.7 ft | 41.6 oz | 3.3 mm | ||
| GPO Passion HD 15x50 | 266 ft | 16.5 mm | 9.8 ft | 34.1 oz | 3.3 mm | $1,000 to $2,000 | Check price on Amazon |
Binocular Chart earns a commission from qualifying Amazon purchases made through these buttons.
Other sizes of the Canon IS
Canon makes the Canon IS in 10 sizes; a larger front lens adds brightness and weight, and more magnification narrows the view.
| Model | Size | Field of view | Eye relief | Close focus | Weight | Exit pupil |
|---|---|---|---|---|---|---|
| Canon 15x50 IS All Weather | 15x50 | 237 ft | 15 mm | 19.7 ft | 41.6 oz | 3.3 mm |
| Canon 8x20 IS | 8x20 | 345 ft | 13.5 mm | 6.6 ft | 14.8 oz | 2.5 mm |
| Canon 10x20 IS | 10x20 | 279 ft | 13.5 mm | 6.6 ft | 15.2 oz | 2 mm |
| Canon 10x30 IS II | 10x30 | 315 ft | 14.5 mm | 13.8 ft | 21.2 oz | 3 mm |
| Canon 10x32 IS | 10x32 | 315 ft | 14.5 mm | 6.6 ft | 27.5 oz | 3.2 mm |
| Canon 12x32 IS | 12x32 | 261 ft | 14.5 mm | 6.6 ft | 27.5 oz | 2.7 mm |
| Canon 14x32 IS | 14x32 | 225 ft | 14.5 mm | 6.6 ft | 27.3 oz | 2.3 mm |
| Canon 12x36 IS III | 12x36 | 287 ft | 14.5 mm | 19.7 ft | 23.3 oz | 3 mm |
| Canon 10x42 L IS WP | 10x42 | 342 ft | 16 mm | 8.2 ft | 39.2 oz | 4.2 mm |
| Canon 18x50 IS All Weather | 18x50 | 195 ft | 15 mm | 19.7 ft | 41.6 oz | 2.8 mm |
15x50 IS All Weather questions
15x50 IS All Weather: does it work with glasses?
15x50 IS All Weather has 15 mm of eye relief, under the 16 mm the RSPB advises for people who wear glasses, so the edge of the view may be cut off with glasses on.
15x50 IS All Weather: what does 15x50 mean?
15x50 IS All Weather magnifies 15 times through 50 mm front lenses, which works out to an exit pupil of 3.3 mm, the width of the beam of light that reaches each eye.